package org.example.mapper;

import org.apache.ibatis.annotations.*;
import org.example.pojo.Emp;
import org.example.pojo.EmpQueryParam;

import java.time.LocalDate;
import java.util.List;
import java.util.Map;

//员工信息
@Mapper
public interface EmpMapper {
/*---------------原始分页查询实现-------------------------
////    查询总记录数
//    @Select("select count(*) from emp e left join dept d on e.dept_id=d.id")
//    public Long count();
//
////    分页查询
//    @Select("select e.*,d.name deptName from emp e left join dept d on e.dept_id=d.id order by e.update_time desc limit #{start},#{pageSize}")
//    public List<Emp> list(Integer start, Integer pageSize);*/

//    @Select("select e.*,d.name deptName from emp e left join dept d on e.dept_id=d.id order by e.update_time desc")
    public List<Emp> page(EmpQueryParam empQueryParam);

    @Options(useGeneratedKeys = true, keyProperty = "id")  //获取到生成的主键 -- 主键返回
    @Insert("insert into emp(username,password,name,gender,phone,job,salary,image,entry_date,dept_id,create_time,update_time) " +
            "values(#{username},#{password},#{name},#{gender},#{phone},#{job},#{salary},#{image},#{entryDate},#{deptId},#{createTime},#{updateTime})")
    void insert(Emp emp);

//    根据ID批量删除员工的基本信息
    void deleteByIds(List<Integer> ids);

//    根据ID查询员工信息以及工作经历信息
    Emp getById(Integer id);

//    根据id更新员工的基本信息
    void updateById(Emp emp);

//    统计员工职位人数
    @MapKey("pos")
    List<Map<String,Object>> countEmpJobData();

    //    统计员工性别人数
    @MapKey("name")
    List<Map<String, Object>> countEmpGenderData();

    @Select("select * from emp")
    List<Emp> list();


    @Select("select id,username,name from emp where username=#{username} and password=#{password}")
    Emp getByUsernameAndPassword(Emp emp);
}
